1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// Copyright 2018 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linux
// Netlink protocols, from uapi/linux/netlink.h.
const (
NETLINK_ROUTE = 0
NETLINK_UNUSED = 1
NETLINK_USERSOCK = 2
NETLINK_FIREWALL = 3
NETLINK_SOCK_DIAG = 4
NETLINK_NFLOG = 5
NETLINK_XFRM = 6
NETLINK_SELINUX = 7
NETLINK_ISCSI = 8
NETLINK_AUDIT = 9
NETLINK_FIB_LOOKUP = 10
NETLINK_CONNECTOR = 11
NETLINK_NETFILTER = 12
NETLINK_IP6_FW = 13
NETLINK_DNRTMSG = 14
NETLINK_KOBJECT_UEVENT = 15
NETLINK_GENERIC = 16
NETLINK_SCSITRANSPORT = 18
NETLINK_ECRYPTFS = 19
NETLINK_RDMA = 20
NETLINK_CRYPTO = 21
)
// SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h.
type SockAddrNetlink struct {
Family uint16
Padding uint16
PortID uint32
Groups uint32
}
// SockAddrNetlinkSize is the size of SockAddrNetlink.
const SockAddrNetlinkSize = 12
// NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.
type NetlinkMessageHeader struct {
Length uint32
Type uint16
Flags uint16
Seq uint32
PortID uint32
}
// NetlinkMessageHeaderSize is the size of NetlinkMessageHeader.
const NetlinkMessageHeaderSize = 16
// Netlink message header flags, from uapi/linux/netlink.h.
const (
NLM_F_REQUEST = 0x1
NLM_F_MULTI = 0x2
NLM_F_ACK = 0x4
NLM_F_ECHO = 0x8
NLM_F_DUMP_INTR = 0x10
NLM_F_ROOT = 0x100
NLM_F_MATCH = 0x200
NLM_F_ATOMIC = 0x400
NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH
NLM_F_REPLACE = 0x100
NLM_F_EXCL = 0x200
NLM_F_CREATE = 0x400
NLM_F_APPEND = 0x800
)
// Standard netlink message types, from uapi/linux/netlink.h.
const (
NLMSG_NOOP = 0x1
NLMSG_ERROR = 0x2
NLMSG_DONE = 0x3
NLMSG_OVERRUN = 0x4
// NLMSG_MIN_TYPE is the first value for protocol-level types.
NLMSG_MIN_TYPE = 0x10
)
// NLMSG_ALIGNTO is the alignment of netlink messages, from
// uapi/linux/netlink.h.
const NLMSG_ALIGNTO = 4
// NetlinkAttrHeader is the header of a netlink attribute, followed by payload.
//
// This is struct nlattr, from uapi/linux/netlink.h.
type NetlinkAttrHeader struct {
Length uint16
Type uint16
}
// NetlinkAttrHeaderSize is the size of NetlinkAttrHeader.
const NetlinkAttrHeaderSize = 4
// NLA_ALIGNTO is the alignment of netlink attributes, from
// uapi/linux/netlink.h.
const NLA_ALIGNTO = 4
|
